#include <cstdio>
using namespace std;
const int maxn = 1e5 + 5;
int n, m;
int a[maxn], c[maxn];
int main() {
    freopen("arena.in", "r", stdin);
    freopen("arena.out", "w", stdout);
    ;
    fclose(stdin);
    fclose(stdout);
    return 0;
}